AOH :: HP Unsorted P :: B06-3004.HTM

Picozip "zipinfo.dll" multiple archives buffer overflow



Secunia Research: PicoZip "zipinfo.dll" Multiple Archives Buffer Overflow
Secunia Research: PicoZip "zipinfo.dll" Multiple Archives Buffer Overflow



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                    Secunia Research 14/06/2006

     - PicoZip "zipinfo.dll" Multiple Archives Buffer Overflow -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

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1) Affected Software 

* PicoZip version 4.01

Prior versions may also be affected.

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2) Severity 

Rating: Moderately Critical
Impact: System Access
Where:  Remote

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3) Description of Vulnerability

Secunia Research has discovered a vulnerability in PicoZip, which can
be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the 
"zipinfo.dll" info tip shell extension when reading a ACE, RAR, or
ZIP archive that contains a file with an overly long filename. This
can be exploited to cause a stack-based buffer overflow when the user
moves the mouse cursor over a malicious archive either in Windows
Explorer or from any program that uses the file-open dialog box.

Successful exploitation allows arbitrary code execution.

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4) Solution 

Update to version 4.02.
http://www.picozip.com/downloads.html 

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5) Time Table 

06/06/2006 - Initial vendor notification.
07/06/2006 - Initial vendor reply.
14/06/2006 - Public disclosure.

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6) Credits 

Discovered by Tan Chew Keong, Secunia Research.

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7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-2909 for the vulnerability.

Acubix:
http://www.picozip.com/changelog.html 

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8) About Secunia 

Secunia collects, validates, assesses, and writes advisories regarding 
all the latest software vulnerabilities disclosed to the public. These 
advisories are gathered in a publicly available database at the 
Secunia website: 

http://secunia.com/ 

Secunia offers services to our customers enabling them to receive all 
relevant vulnerability information to their specific system 
configuration. 

Secunia offers a FREE mailing list called Secunia Security Advisories: 

http://secunia.com/secunia_security_advisories/ 

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9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2006-42/advisory/ 

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/ 

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